738564961 has 2 divisors, whose sum is σ = 738564962. Its totient is φ = 738564960.

The previous prime is 738564929. The next prime is 738564971. The reversal of 738564961 is 169465837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719902561 + 18662400 = 26831^2 + 4320^2 .

It is a cyclic number.

It is not a de Polignac number, because 738564961 - 2⁵ = 738564929 is a prime.

It is not a weakly prime, because it can be changed into another prime (738564901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369282480 + 369282481.

It is an arithmetic number, because the mean of its divisors is an integer number (369282481).

Almost surely, 2^738564961 is an apocalyptic number.

It is an amenable number.

738564961 is a deficient number, since it is larger than the sum of its proper divisors (1).

738564961 is an equidigital number, since it uses as much as digits as its factorization.

738564961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 738564961 is about 27176.5516760313. The cubic root of 738564961 is about 903.9191071696.

The spelling of 738564961 in words is "seven hundred thirty-eight million, five hundred sixty-four thousand, nine hundred sixty-one".